Grade Two Irregular Plural Nouns Animals that live in water Consonant Digraphs 23 /ch/ sound The Proud Fox and the Crab Short Vowel Sounds 30.2 /u/ sound Consonant Sounds 7.3 /k/ sound Cody Learns to Say Good-Bye Short Vowel Sounds 27.2 /e/ sound Houses from around the World Consonant Sounds 13.1 /s/ sound